OpenTechnical

OT-2026-000060786

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000060786) never changes.

Identity and time

Publication numberOT-2026-000060786 · never reused
Internal UUID01a0ae8a-b7d0-79bb-9375-de0ccfb8a3bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060786
StatusPUBLIC

Content hashes

Canonical textf216f7739c3a7ab67cc2776306e12aa77f7f2e4cb392746fcdf0b2df9d0cb8a2
Markdownd07faa59d90a40fbe83db56aee4da5c1c52c1b7e7fa76b5da66a5ba7502279e9
PDF
Publication pageb9685a35d27ee2ac09019841b2f5e4bfb1b1083a617be9df7f04da780dc4bde0
Manifesta84589c468b589c5ea223abb17e1101b6df1356ccd5df57543555569e1a46fc0

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturesI2ZOutieEgOZkR5mGxsIo5aw7fHRKMwEDMbHV2ROoe2GidXmyQNw/muHiZ8pR7xkBVH9fY4hdJ/XUtCtmBjCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:31.879458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060786
observed b9685a35d27ee2ac09019841b2f5e4bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:31.861638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060786/manifest.json
observed a84589c468b589c5ea223abb17e1101b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:31.844866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060786/publication.md
observed d07faa59d90a40fbe83db56aee4da5c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:31.828380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060786/publication.txt
observed f216f7739c3a7ab67cc2776306e12aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.